Merge "libconnectivity_native add null check" am: 5778445ee0 am: 2a489ff96b

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Connectivity/+/2478255

Change-Id: I74e2d7ab78908def2f9b8e5a62d15fb2c3d12af6
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>